package cn.wink.springcloud;

import com.netflix.hystrix.contrib.metrics.eventstream.HystrixMetricsStreamServlet;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.boot.web.servlet.ServletRegistrationBean;
import org.springframework.cloud.netflix.hystrix.dashboard.EnableHystrixDashboard;
import org.springframework.context.annotation.Bean;

/**
 * @author xw
 * @date 2020-05-17 22:20
 */
@SpringBootApplication
@EnableHystrixDashboard     // 图形化界面 http://localhost:9001/hystrix
public class HystrixDashboard9001 {

    public static void main(String[] args) {
        SpringApplication.run(HystrixDashboard9001.class, args);
    }

    /**
     * 此配置是为了服务监控而配置，与服务容错本省无关，spring-cloud 升级后的坑
     * <p>
     * ServletRegistrationBean 因为 spring boot 的默认路径不是 &quot;/hystrix.stream&quot;
     * <p>
     * 只要在自己的项目里配置下文的 servlet 就可以了
     *
     * @return
     */
    @Bean
    public ServletRegistrationBean getServlet(){
        HystrixMetricsStreamServlet streamServlet = new HystrixMetricsStreamServlet();
        ServletRegistrationBean registrationBean = new ServletRegistrationBean(streamServlet);
        registrationBean.setLoadOnStartup(1);
        registrationBean.addUrlMappings("/hystrix.stream");
        registrationBean.setName("HystrixMetricsStreamServlet");
        return registrationBean;
    }
}
